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Contractor 26
Engineering Inside IR35 Chelmsford

26 jobs found in Chelmsford

CL
Feb 13, 2026  
Assembly Technician
Assembly Technician, Ware, Stanstead Abbotts up to £15p/hr doe (Inside IR35 contract) Hours - Monday-Thursday 8-5. Fridays 8-2.30 (but could change in 2026) contract until 22/5/26 Responsible for assembling parts and components to build mechanical or electrical products. Read and interpret engineering drawings, assemble parts and components accurately, test the assembled components and report any faults. Ensure that the products meet quality and safety standards. This role also involves testing, inspecting, troubleshooting, and repairing any issues that may arise. The successful Assembly Technician must be able to work safely and efficiently with hand tools, power tools, machinery, and other equipment. They must also possess excellent communication and problem-solving skills. Duties and responsibilities Assemble components in accordance with technical drawings. Test completed assemblies for correct operation. Perform basic maintenance on machinery and equipment. Identify and...
IR35 Status:
Inside IR35

CV-Library SG12, St Margarets, Hertfordshire Contractor
CL
Mar 21, 2026  
Quality Engineer
Rullion are looking to recruit for the following role: Quality Engineer x 3 Location Sudbury UK Fully site based Monday to Friday ASAP Start 12 months Inside IR35 £23-25.65 per hour PAYE Rates- Umbrella rates can be provided. Flexible working hours 37.5 hours per week The Quality Operations Engineer will be responsible for maintaining, monitoring, and improving key elements of the Quality Management System (QMS) for the Sudbury Site, developing a culture of Quality by education, mentoring and example. Job Responsibilities: Provide Quality support to the Manufacturing Operations Team Support CAPA & Issue Resolution to ensure timely and accurate completion. Administer & support the deviation process to ensure timely and accurate completion. Administer & support the quality notification process to ensure timely and accurate completion. Prepare for supplier, customer, regulatory & notified body audits as required. Conduct internal & supplier quality audits...
IR35 Status:
Inside IR35

CV-Library Sudbury, Suffolk Contractor
CL
Mar 18, 2026  
Rail CEM
Are you a CEM with previous experience working on major projects? Are you looking for your next ongoing contract? We are supporting a leading contractor delivering works on HS2, one of the UK's largest and most complex rail infrastructure schemes. This is an opportunity for an experienced CEM to step into a major project environment, replacing an existing contractor and providing strong engineering leadership across rail systems works. Location: Old Oak Common, London Working arrangements: Hybrid working, 1/2 day WFH Rate: £550pd (inside IR35) Duration: Ongoing Responsibilities: ·Act as Contractors Engineering Manager (CEM) under NR/L2/RSE/02009 ·Lead engineering assurance and integration across multidisciplinary rail packages ·Interface with HS2, principal contractors, designers and key stakeholders ·Oversee technical governance, design approvals and compliance ·Support delivery across complex, high-value infrastructure works Requirements: ·Proven experience operating...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Mar 22, 2026  
Chartered Senior Engineer - Surface & Highways Structures
Chartered Senior Engineer – Surface & Highways Structures Location: London & across network  Employer: Morson Edge – Recruiting on behalf of a major public sector organisation Contract: Long-term contract opportunity (current portfolio has years of programmes) Rate: Band 3+ (senior level) upto £520 per day umbrella inside ir35 About the Role Morson Edge are proud to partner with a major public sector infrastructure organisation to recruit an experienced Charered Senior Engineer to support the delivery and assurance of complex civil and structural works across their Surface & Highways Structures portfolio. This is a delivery-focused, site-based engineering role where you will provide technical leadership, undertake independent assurance of permanent works, and guide B3 Engineers across a wide range of structural and highways projects. Key Responsibilities Lead independent inspection and technical assurance of reinforced concrete, structural steelwork, and highways...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 18, 2026  
Principal Structural Engineer
Principal Structural Engineer 12 month contract Based in Stevenage Offering £50ph Inside IR35 Do you have experience with Finite Element (FE) methods? Do you have experience in Static, Dynamic, or Fatigue analysis? Do you want to work with an industry-leading company? If the answer is yes to these, then this could be the role for you! As the Principal Structural Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry! You will be involved in: Ensuring that products deliver the necessary performance against key structural requirements Your skillset may include: Proven ability to carry out structural analysis through the application of hand calculations and Finite Element (FE) methods Proven experience in the Altair FE toolset is preferred, although...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 18, 2026  
Electronics Design Engineer
Electronics Design Engineer 12 Month Contract Based in Stevenage Offering £58ph Inside IR35 Do you have strong experience in Electronic Design? Do you have experience throughout the product lifecycle? Do you want to work with an industry-leading company? If your answers are yes to these, then this could be the role for you! As the Electronics Design Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry! You will be involved in: Developing cutting-edge electronic solutions Responsibility for the quality and performance of the electronic solution together with providing cost and schedule updates to a project manager Electronic design capability throughout the product life cycle Implement technical solutions will range across the Power and Analogue...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 18, 2026  
Configuration Engineer
Configuration Engineer 6 month contract Based in Stevenage Offering £50ph Inside IR35 As the Configuration Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Responsible for supporting the Configuration Manager of any given Project, including responsibility for the Product definition and/or Configuration Management Your skillset may include: Knowledge regarding principles of Configuration Management Communicate with stakeholders Promote the Configuration Management group with internal customers Awareness of relevant internal and external customer requirements and standards High degree of IT literacy Reflection of engineering input, through the engineering change process Managing on behalf of project, the correct design...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 08, 2026  
Supply Chain Manager
World Class Defence Organisation is currently looking to recruit a Supply Chain Manager subcontractor on an initial 6 month contract.    Rate: £50.00 per hour Location: Stevenage or Bolton, depending on your preference. Hybrid / Remote working: 2 days onsite per week Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Supply Chain Manager Job Description: An opportunity has arisen for a Supply Chain Manager to join ISP in the Equipment's team. The successful candidate will bring their experience and knowledge to ensure effective Supplier performance, capability & Risk management. As a team, we work across all programmes in a changing environment, managing and implementing both mature and new technologies. Responsibilities /Skillset/experience required Internal and external assessment skills/knowledge;...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Military Packaging Design Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Structural Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.     Candidates with a FE / FEA background ( Structural Engineer / Structural Analysis / Stress Engineer ) ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be onsite 4 days per week.  a 4-Day week of Monday to Thursday is possible. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Principal Structural Engineer Job Description: The Mechanical Analysis Group are looking for a Principal...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 02, 2026  
Missile Test Architect
World Class Defence Organisation is currently looking to recruit 2x Missile Test Architect subcontractors on an initial 6 month contract.    Rate: £60.00 per hour Location: Stevenage or Bolton (depending on your preference)   Hybrid / Remote working: This role is a hybrid role, 1-2 days a week possibly in lab up to 3 in first weeks Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Missile Test Architect Job Description: The department are looking for experienced test equipment engineers that want to use their knowledge in a system/sub system management role. The role includes determining the project test equipment needs, managing the requirements for test equipment and managing the development through delivery and into service. In this role, you will be responsible for the projects test equipment and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 22, 2026  
Systems Engineer
World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Engineer subcontractor on an initial 6 month contract.  The department are looking for Systems Engineers ideally from the defence / aerospace background.  Previous experience of DOORS is required. Hourly Rate: £70.00ph (Umbrella).  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol or Stevenage (depending on your preference) Hybrid / Remote working: The role will likely be onsite 2-3 days per week (this could reduce once up to speed in the role). A 4 day working week is OK (Monday to Thursday).  Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Airborne Launcher Functional Systems Engineer Job Description: Analyse high level design documentation to elaborate and capture...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 21, 2026  
High Speed Digital Design Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 17, 2026  
Supplier Quality Engineer
World Class Defence Organisation based in Stevenage and Bolton is currently looking to recruit 4x Supplier Quality Engineers.   A strong background of Supplier Quality Engineering / Auditing is required.  Defence, Aerospace or Automotive industries would be great.   Rate: £45.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bolton – depending on your preference   Hybrid / Remote working: The role will likely be 1-2 days per week onsite and the rest working remote Duration: 6 or 12 Months initially with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Supplier Quality Engineers Job Description:   An exciting opportunity has arisen for a Supplier Quality auditor to join the Supplier Quality Assurance team, supporting assurance of Mechanical & Electro-Mechanical suppliers   This...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 16, 2026  
UK Environmental Sustainability Lead
World Class Defence Organisation based in Stevenage and Bolton is currently looking to recruit a UK Environmental Sustainability Lead.   Rate: £70.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bolton – depending on your preference   Hybrid / Remote working: The role will be a mix of onsite (likely 3 days per week) and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   UK Environmental Sustainability Lead Job Description:   Defence is necessary for peaceful prosperity. By doing business responsibly, the company supports their people, local communities and our planet. The company has a Strategy for ESG, Sustainability and Social Value, and is seeking an experienced and practical environmental professional, to lead delivery and reporting of...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 28, 2025  
Electronics Design Engineer
World Class Defence Organisation based in Stevenage (the role can be a split of working Onsite and Working From Home) is currently looking to recruit a number of Electronics Design Engineer subcontractors on an initial 12 month contract.    Electronic Design Engineers with excellent skills in Analogue Design or Digital Design or Power Design or FPGA are sought after.    Job Title: Electronics Design Engineer Rate: £58 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: This role will involve some remote working opportunities Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Electronics Design Engineer Job Description: The Electronic Engineering function is a friendly and supportive environment. Within the function, you will be working with other engineers who have a collective wealth of...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 27, 2025  
Safety Engineer
World Class Defence Organisation based in Stevenage is currently looking to recruit a Safety Engineer Subcontractor on an initial 12 month contract.  (The role will be split of working Onsite and Working From Home).    Contract Duration: 12 Months (initially and then ongoing thereafter) Hourly Rate: £80ph (Umbrella) Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be 2-3 days per week onsite and 2-3 days working from home. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview.   Safety Engineer Job Description: An opportunity has arisen for an engineer to exploit their safety engineering skills to influence the safety aspects of one of our technically complex products. While exploring the boundaries of best practice, this will involve...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 24, 2025  
Principal Thermal Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract.   Hourly Rate: £50.00  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will likely be onsite 3 days per week. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage onsite interview   Principal Thermal Engineer Job Description: The Mechanical Analysis Group are looking for a Principal Thermal Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 19, 2025  
Tooling Design Engineer (Mechanical Design)
World Class Defence Organisation based in is currently looking to recruit 2x Tooling Design Engineer subcontractors.   This role would suit a Mechanical Design Engineer who has Tooling and Creo experience.  Previous experience of working in the defence or aerospace industry would be great.   Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bolton or Stevenage – depending on your preference   Hybrid / Remote working: The role will be a mix of onsite and remote working Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Tooling Design Engineer Job Description:   You will be part of a high performing team. You will be creating Tooling solutions on a wide variety of projects. This is a critical role collaborating with wider multi-disciplinary teams to understand...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 13, 2025  
Interconnects / Cable Design Engineer
World Class Defence Organisation based in is currently looking to recruit an Interconnects Design Engineer / Cable Harness Design Engineer.   The role does require Zuken E3 experience.      Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol – depending on your preference   Hybrid / Remote working: The role will be a mix of onsite and remote working Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Interconnects Cable / Harness Design Engineer Job Description:   The role will be working within the Interconnects Team in Electronic Engineering (EE). EE aims to develop leading edge electronic engineering expertise, capabilities and technologies. The Interconnects Team forms a valuable part of this, tasked with providing a professional design...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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